Answer:
1. type O
2. Type AB
3. Type A and Type B
Part B
1..All children will be type A
Generalization:
Knowing your blood type is important for paternity and maternity determination, and in case of emergency blood transfusion and blood donation, so that you can receive or give the exact blood that is needed.
Application
Yes, the alleged father could be the father of the child, because the alleged father could be heterozygous A and the mother could be heterozygous B so there is 25% of having a type O child.
Refer to the picture for the punnet square
